Boot jack



FIG. 1 is a rear elevational view of a boot jack showing my new design;

FIG. 2 is a right side elevational view, the opposite side being a mirror image thereof;

FIG. 3 is a front elevational view;

FIG. 4 is a bottom plan view;

FIG. 5 is a top plan view. 

The ornamental design for a boot jack, substantially as shown and described. 